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    • 1. 发明公开
    • Low voltage switch pole
    • Niederspannungsschaltpol
    • EP3048625A1
    • 2016-07-27
    • EP15152348.7
    • 2015-01-23
    • ABB S.p.A.
    • Arrighetti, PierantonioBresciani, Nicola
    • H01H9/34
    • H01H33/10H01H1/226H01H9/342H01H9/346H01H33/42H01H33/74H01H2009/348H01H2205/002
    • A low voltage switch pole 1 which comprises an insulating casing (2) having lateral walls and a front and a rear wall and defining an internal space with a contact area (3) and an arc extinguishing area 4, a fixed contact assembly (31) and a movable contact assembly (32)being positioned in said contact area, said movable contact assembly being movable between a closed position in which it is into contact with said fixed contact assembly and an open position in which it is spaced apart from said fixed contact assembly, an arc chamber (41) comprising a plurality of substantially parallel metallic plates 42 inserted into an enclosure (43) made of insulating material being positioned in said arc extinguishing area 4; the switch pole further comprises an insulating wall 5 which is positioned in said internal space between said contact area and said arc extinguishing area and partially separates said contact area from said arc extinguishing area, a channel 6 connecting said contact area to said arc extinguishing area being provided in said insulating wall 5.
    • 低压开关极1,其包括具有侧壁的绝缘壳体(2)和前壁和后壁,并且限定具有接触区域(3)和消弧区域4的固定接触组件(31)的内部空间, 和可移动接触组件(32),其定位在所述接触区域中,所述可动触头组件可在其与所述固定触头组件接触的关闭位置和与所述固定触点间隔开的打开位置之间移动 组件,包括多个基本上平行的金属板42的电弧室(41),插入由位于所述灭弧区域4中的绝缘材料制成的外壳(43)中; 开关极还包括绝缘壁5,其位于所述接触区域和所述灭弧区域之间的所述内部空间中,并且部分地将所述接触区域与所述灭弧区域分离;将所述接触区域连接到所述灭弧区域的通道6 设置在所述绝缘壁5中。
    • 7. 发明公开
    • CIRCUIT BREAKER
    • 电路断路器
    • EP1152440A1
    • 2001-11-07
    • EP00942428.4
    • 2000-06-30
    • MITSUBISHI DENKI KABUSHIKI KAISHA
    • TSUKIMA, MitsuruMITSUHASHI, TakaoFUSHIMI, MasahiroYAMAGATA, Shinji
    • H01H9/30H01H73/18
    • H01H9/342H01H1/2058H01H71/0257H01H73/18H01H2009/348
    • The provision of a compact circuit breaker of a good interrupting capability by utilizing the pressurized gas generated upon the arc generation.
      The circuit breaker according to the present invention comprises a stationary contact member 33 having a stationary contact 34, a movable contact member 31 having at one end a movable contact 32 capable of contacting with and separating from the stationary contact 34 and having at the other end a rotational center 31a, a case 3 surrounding the stationary contact 33 and the movable contact 31 and defining a pressure accumulating space at one side of an arc generation position at which an electric arc is generated for temporarily storing a pressurized gas pressurized by the arc generated between the stationary and the movable contact upon the current interruption, and an exhaust port 39 disposed at the other end of the arc generation position in the case so that the pressurized gas stored within the accumulation space upon the current interruption is exhausted passing between the stationary contact 34 and the movable contact 33.
    • 通过利用在电弧产生时产生的加压气体,提供了具有良好中断能力的紧凑型断路器。 根据本发明的断路器包括具有固定触点34的固定触点构件33,在一端具有可动触点32的可动触点构件31,所述可动触点32能够与固定触点34接触和分离,并且在另一端 旋转中心31a,围绕固定触点33和活动触点31的壳体3,并且在产生电弧的电弧产生位置的一侧限定蓄压空间,用于临时存储由产生的电弧加压的加压气体 在电流断路时位于静止触头和动触头之间,以及设置在壳体的电弧产生位置的另一端的排气口39,使得在电流中断时蓄积在蓄积空间内的加压气体通过静止状态 触点34和可动触点33。